Atmospheric CO2 Levels Haven’t Been This High in 800,000 Years: NOAA | Common Dreams News

An evacuated resident points in the direction of his home following a flash flood, which came as Tropical Storm Henri made landfall, in Helmetta, New Jersey on August 22, 2021. (Photo: Tom Brenner/AFP via Getty Images)

Based on the contributions of more than 530 scientists from over 60 countries and compiled by the U.S. National Oceanic and Atmospheric Administration (NOAA), State of the Climate in 2020 is the 31st installment of the leading annual evaluation of the global climate system. “The major indicators of climate change,” officials from NOAA’s National Centers for Environmental Information pointed out in a statement, “continued to reflect trends consistent with a warming planet. Several markers such as sea level, ocean heat content, and permafrost once again broke records set just one year prior.” “Annual global surface temperatures were 0.97°–1.12°F (0.54°–0.62°C) above the 1981–2010 average” in 2020, said NOAA, making last year one of the three warmest on record “even with a cooling La Niña influence in the second half of the year.”

Source: Atmospheric CO2 Levels Haven’t Been This High in 800,000 Years: NOAA | Common Dreams News

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